Where Does the Selectivity in Piperidine C–H Functionalization Come From? — Nitrogen Effects, Chair Conformations, and Four Classes of Key Intermediates
Piperidine is a saturated six-membered nitrogen-containing ring commonly found in pharmaceutical molecules, alkaloids, and synthetic intermediates. Traditional synthetic routes generally install substituents before ring formation, whereas C–H functionalization can directly use an already-formed ...
危险品化学品经营许可证（带存储）